Lighting Design in Big Shows

Lighting design is also know as lighting project. One or more lights making the main light and auxiliary light effectively applied together called lighting design. In lighting design process, one should select the appropriate light source in accordance with the needs of different types of programs and the actual shooting scene lighting conditions. By a flexible combination of different numbers and different kinds of light fixtures, based on the main performance, you should rationally adjust the intensity and location of various types of light to achieve proper lighting effects.

Single Light Source Illumination

It is a way of using only one light as a lighting source in the shooting. This way is simple and convenient, which is suitable for conditions when it has limited time or space. You can choose different types of lights flexibly, either converged light or scattered light. In the news program interview scene, usually a halogen lamp or a battery light illuminated from the proper angle has been enough to illuminate the characters and related items. Sometimes, a single light source illuminating comes only from spotlights attached to the camera. The camera lights are more flexible and convenient and don’t require specialized personnel to light. But it can only light from direction of the camera with small and limited changing angle. Although single light illumination is similar to natural light, but natural light forms a mixed led par light affected by the reflection of atmosphere and ground. Artificial single light source has simple lighting effects. Its luminous efficiency can be will also be influenced by the original lighting conditions in shooting scene. Sometimes a single light source can be used as the main light and the existing environment as an auxiliary. But when the environment light is dark, only one light source is likely to cause great contrast. Therefore, when a program needs better lighting effects, auxiliary lighting must be added.

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Main and auxiliary lighting

Two lighting tools using in the shooting are regarded as respectively the primary source and secondary source.

(1) That is the most bright lighting and plays a major role in the light. Used to display the basic form of the subject, show the picture of stereo space, and surface structure. Its main function is to show the direction and nature of the light source, resulting in significant contrast between shadow and shaping the image of the characters and scenery, it is also known as plastic High Power RGB LED Par Can light. Generally, it takes a certain light and dark contrast to highlight the three-dimensional, so often use the direct light from the spotlight as the primary light source to make the surface produces light and flash.

(2)If you are using scattered light as the main light, it can produce rich middle tones, but modeling results will be weakened. Light cameras are used largely which determines the size of the aperture, and other fixtures become adjust the position, brightness and light than the benchmark. Because people are used to the light source (the sun) the sun is from above, the main light must have a clear direction. Usually set at the front of the subject on the camera (front or side) that spool up 30 ~ 45 position. But this position is not an absolute standard, which should be based on the actual shooting conditions and program design requirements for flexible arrangements.

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(3) Auxiliary light. It is used to reduce the obvious shadow causing by the main light. To increase the level of picture and its details that of the part without the shinning of main lighting leads to reducing the density of the shadow. Therefore, auxiliary light shall be located and the main light axis on the other side of the corresponding cameras. No obvious scattering LED par can 36*1W RGBW  or reflected light are often chosen as the lamps. After the main light source brightness was determined, auxiliary light has become a major factor in determining the contrast of the picture.

The brightness of auxiliary light should be less than the main light, the greater the intensity of the main light and auxiliary light proportions, the greater the contrast, the more intense the shadow screen, the more three-dimensional sense, forming a “low-key” effect; The smaller the intensity ratio of the main light and auxiliary light, the smaller of the contrast, the weaker of the screen shadow, the brighter the picture, the weaker of the stereoscopic, forming a “high-key” effect. When the auxiliary light is close to the main brightness almost unanimously, the shadow disappearing, the stereo effect will be offset. On the corresponding position of the auxiliary light, you can use a mirror to replace the auxiliary lighting and mirrors can master scattering light, reducing the characters facial wrinkles to form soft and beautiful images.

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